The interstellar visitor posed no threat to our planet, but experts thought it could fight dangerous asteroids looking to ...

Though harmless itself, its passage through the solar system is helping researchers test the systems, partnerships and knowledge needed to keep Earth safe.

According to NASA, "Asteroid 2024 YR4 is now too far away to observe with either space or ground-based telescopes. The space ...

NASA and the International Asteroid Warning Network have launched a global campaign to track comet 3I/ATLAS and strengthen ...

Contrary to allegations that 31/ATLAS is potentially hostile alien tech, the Manhattan-sized comet could provide potentially ...

NASA is studying interstellar object 3I/ATLAS to refine its planetary defence systems, using the comet's rare trajectory as a ...

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.

With help from amateur astronomers, scientists tracked how an asteroid travelled from space, broke up in Earth's atmosphere and sent fiery fragments shooting to the ground, gathering new information ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the ...

Astronomers can usually spot "planet killer" asteroids long before they approach Earth. But what if they can't?

The asteroid is projected to come within 865,000 miles of Earth—nearly five times closer than the orbit of the moon.

A meteorite that broke off 2023 CXI and was found in northwestern France Volunteers search for meterorites in February 2023 in Angiens, France With help from amateur astronomers, scientists tracked ...